package com.example.mall.order.domain.service;

import java.util.List;

/**
 * 费用运算
 *
 * @author Mickey
 * @since 2022/4/22
 **/
public interface FeeOperation {

    /**
     * 计算商品费用
     *
     * @param merch
     */
    void calcFee(Merch<?> merch);

}
